| ADATA Part No. | Capacity | IC Configuration | Description |
| AD4U2666J4G19-B | 4GB | 512MX16 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666J4G19-R | 4GB | 512MX16 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666J4G19-S | 4GB | 512MX16 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666W4G19-B | 4GB | 512MX8 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666W4G19-R | 4GB | 512MX8 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666W4G19-S | 4GB | 512MX8 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U266638G19-B | 8GB | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266638G19-BGN | 8GB | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266638G19-R | 8GB | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266638G19-S | 8GB | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266688G19-BGN | 8GB | 1024X16 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266688G19-RGN | 8GB | 1024X16 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266688G19-SGN | 8GB | 1024X16 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U2666W8G19-B | 8GB | 512MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U2666W8G19-R | 8GB | 512MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U2666W8G19-S | 8GB | 512MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U2666316G19-B | 16GB | 1024MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666316G19-R | 16GB | 1024MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666316G19-S | 16GB | 1024MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666716G19-B | 16GB | 2048MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666716G19-RGN | 16GB | 2048MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666716G19-SGN | 16GB | 2048MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666732G19-B | 32GB | 2048MX8 | DDR4 U-DIMM 32GB 2666 (19) |
| AD4U2666732G19-RGN | 32GB | 2048MX8 | DDR4 U-DIMM 32GB 2666 (19) |
| AD4U2666732G19-SGN | 32GB | 2048MX8 | DDR4 U-DIMM 32GB 2666 (19) |
